* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

#picbox {
    margin: 0 auto;
    max-width: 100%;
    overflow: hidden;
}

#boxcard {
    z-index: 1;
    margin: 10px auto 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

#boxcard div {
    width: 150px;
    height: 150px;
    margin: 5px;
    padding: 5px;
    border: 1px solid #EE872A;
    cursor: pointer;
    border-radius: 10px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, .5);
    background: #ffeed4;
    z-index: 2;
}

#boxcard div img {
    display: none;
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    z-index: 3;
}

#boxbuttons {
    text-align: center;
    margin: 20px;
    display: block;
}

#boxbuttons .button {
    text-transform: uppercase;
    background: #fff;
    padding: 5px 10px;
    margin: 5px;
    border-radius: 10px;
    cursor: pointer;
    box-shadow: 0 1px 5px rgba(0, 0, 0, .5);
}

#boxbuttons .button:hover {
    background: #999;
}

/* Media Queries für verschiedene Bildschirmgrößen */

@media only screen and (max-width: 778px) {
    #boxcard div {
        width: 75px;
        height: 75px;
    }
}

@media only screen and (max-width: 480px) {
    #boxcard div {
        width: 75px;
        height: 75px;
    }
}